Alerts

This information is provided to inform the members of the SFO SKYWARN® group of current weather alerts. The information provided here comes from the NWS API Web Service, which may or may not be functioning at any given time, and therefore may not be up-to-date or accurate. For the most up-to-date information, refer to the NWS SF Bay Area website, tune in to NOAA Weather Radio in your area, or consult a local news media source that provides weather information.

Active alerts issued by the NWS Forecast Office in Monterey, CA (MTR) are for their County Warning Area (CWA), which includes the following eleven counties: Sonoma, Napa, Marin, Contra Costa, Alameda, San Francisco, San Mateo, Santa Clara, Santa Cruz, San Benito, and Monterey counties.

Important! This feature should not be relied upon to receive watches and warnings for protecting life and/or property. There may be a delay or failure caused by numerous factors, including, but not limited to, the polling rate, the ability of the NWS API Web Service to relay NWS products, or the reliability of this web site.

There is currently one active alert for the SF Bay Area.
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HEADLINE: Heat Advisory issued September 9 at 3:14AM PDT until September 10 at 10:00PM PDT by NWS San Francisco CA

DESCRIPTION: * WHAT...Hot conditions with temperatures 10 to 20 degrees above
normal during the day, with overnight lows also running 10 to 20
degrees above normal.

* WHERE...Bay Area and Central Coast.

* WHEN...Until 10 PM PDT Thursday.

* IMPACTS...This level of heat affects most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration. Impacts possible in some health systems and in
heat-sensitive industries. Hot conditions can cause heat illnesses.

INSTRUCTIONS: Hydration is a critical piece to surviving the heat. Drink water, and
if possible, take water to those who are vulnerable.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or evening. Take action when you experience symptoms of heat
exhaustion and/or heat stroke.

Beat the heat and check the backseat! Do not leave young children or
pets in unattended vehicles. Car interiors will reach lethal
temperatures in a matter of minutes.